<template>
  <div class="xtx-cart-page">
    <div class="container m-top-20">
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120">
                <XtxCheckbox
                  :model-value="$store.getters['cart/isAll']"
                  @change="allCheck"
                  >全选</XtxCheckbox
                >
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody>
            <tr v-for="item in cartList" :key="item.id">
              <td>
                <XtxCheckbox
                  :modelValue="item.selected"
                  @change="(selected) => checkChange(selected, item)"
                />
              </td>
              <td>
                <div class="goods">
                  <RouterLink to="/"
                    ><img :src="item.picture" alt=""
                  /></RouterLink>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <!-- 选择规格组件 -->
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
                <p v-show="item.price - item.nowOriginalPrice > 0">
                  比加入时降价
                  <span class="red"
                    >&yen;{{ item.price - item.nowOriginalPrice }}</span
                  >
                </p>
              </td>
              <td class="tc">
                <XtxNumbox
                  :isLabel="false"
                  :max="item.stock"
                  :modelValue="item.count"
                  @update:modelValue="(count) => countChange(item, count)"
                />
              </td>
              <td class="tc">
                <p class="f16 red">&yen;{{ item.count * item.price }}</p>
              </td>
              <td class="tc">
                <p>
                  <a
                    class="green"
                    href="javascript:;"
                    @click="delCart(item.skuId)"
                    >删除</a
                  >
                </p>
              </td>
            </tr>
          </tbody>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch">
          共 {{ allCount }} 件商品，已选择 {{ selectedCount }} 件，商品合计：
          <span class="red">¥{{ selectedPrice.toFixed(2) }}</span>
        </div>
        <div class="total">
          <XtxButton type="primary" @click="buildOrder">下单结算</XtxButton>
        </div>
      </div>
    </div>
  </div>
</template>
<script>
import { computed } from 'vue'
import { useStore } from 'vuex'
import { useRouter } from 'vue-router'
import Message from '@/components/Message/index.js'

export default {
  name: 'XtxCartPage',
  setup () {
    const store = useStore()
    const checkChange = (selected, curItem) => {
      console.log(selected, curItem)

      store.dispatch('cart/asyncSingleCheck', {
        skuId: curItem.skuId,
        count: curItem.count,
        selected
      })
    }
    // 多选功能
    const allCheck = (selected) => {
      store.dispatch('cart/asyncAllCheck', selected)
    }
    const countChange = (good, count) => {
      console.log(count)
      store.dispatch('cart/asyncChangeCount', { good, count })
    }
    // 删除购物车
    async function delCart (skuId) {
      await store.dispatch('cart/asyncDelCart', [skuId])
      // Message({ type: 'success', text: '删除购物车成功' })
    }

    // 跳转结算页面
    const router = useRouter()
    // 下单
    function buildOrder () {
      if (!store.state.user.profile.token) {
        return
      }
      // 是否有token
      // 判断用户是否有要结算的商品
      if (selectedCount.value > 0) {
        // 下单结算
        router.push('/settlement')
      } else {
        Message({ text: '请先选中商品', type: 'warn' })
      }
    }

    const selectedCount = computed(() => store.getters['cart/seletedCount'])
    return {
      checkChange,
      countChange,
      allCheck,
      delCart,
      buildOrder,
      selectedCount,
      cartList: computed(() => store.state.cart.cartList),
      allCount: computed(() => store.getters['cart/allCount']),
      selectedPrice: computed(() => store.getters['cart/seletedPrice'])
    }
  }
}
</script>
<style scoped lang="less">
.tc {
  text-align: center;
  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}
.red {
  color: @priceColor;
}
.green {
  color: @xtxColor;
}
.f16 {
  font-size: 16px;
}
.goods {
  display: flex;
  align-items: center;
  img {
    width: 100px;
    height: 100px;
  }
  > div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;
    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}
.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;
  .xtx-checkbox {
    color: #999;
  }
  .batch {
    a {
      margin-left: 20px;
    }
  }
  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}
.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}
.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;
    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;
      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;
        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }
      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>
